In his latest book, The Revenge of Gaia, James Lovelock predicts
that by 2020 extreme weather will be the norm, causing global devastation; that
by 2040 much of Europe will be Saharan; and parts of London will be underwater.link

2004 Pentagon report - climate change will destroy us. Pentagon says climate change over the next 20 years could result in a
global catastrophe costing millions of lives in wars and natural disasters - read more